CVE-2020-24584: canonical ubuntu_linux Incorrect Default Permissions
Vulnerability summary
CVE-2020-24584 is a high (CVSS 7.5) Incorrect Default Permissions vulnerability in canonical ubuntu_linux. EPSS estimates a 3.30% chance of exploitation in the next 30 days, higher than 88.5% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 04-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 9 · Related 8Timeline
- 01-09-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Django 2.2 before 2.2.16, 3.0 before 3.0.10, and 3.1 before 3.1.1 (when Python 3.7+ is used). The intermediate-level directories of the filesystem cache had the system's standard umask rather than 0o077.
CVSS metrics
7 scores · 5 sources · 3 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
3.30%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.30% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine2 products
- py-django< 1.11.29-r1
- py3-django< 1.11.29-r1 | < 3.1.1-r0
Canonical1 product
- ubuntu_linuxEOL20.04
Debian1 product
- python-django< 2:2.2.16-1
Djangoproject1 product
- django≥ 2.2, < 2.2.16 | ≥ 3.0, < 3.0.10 | ≥ 3.1, < 3.1.1
Fedoraproject1 product
- fedoraEOL31 | 32 | 33
Oracle1 product
PyPI1 product
- django≥ 2.2, < 2.2.16 | ≥ 3.0, < 3.0.10 | ≥ 3.1, < 3.1.1
Ubuntu1 product
- python-django< 2:2.2.12-1ubuntu0.2
8 vendors · 9 products
References
36 links- groups.google.com/forum/X Refsource MISC
- groups.google.com/forum/X Refsource MISC
- www.openwall.com/lists/oss-security/2020/09/01/2X Refsource MISCWEBMailing ListPatchThird Party Advisory
Show all 36 references
- github.com/django/djangoPACKAGE
